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相关概念视频

Acceleration Vectors01:30

Acceleration Vectors

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In everyday conversation, accelerating means speeding up. Acceleration is a vector in the same direction as the change in velocity, Δv, therefore the greater the acceleration, the greater the change in velocity over a given time. Since velocity is a vector, it can change in magnitude, direction, or both. Thus acceleration is a change in speed or direction, or both. For example, if a runner traveling at 10 km/h due east slows to a stop, reverses direction, and continues their run at 10 km/h...
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Design Example: Automobile Ignition System01:14

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The automobile's ignition system plays a vital role by ensuring the timely ignition of the fuel-air mixture in each cylinder. This ignition is facilitated by a spark plug, which is composed of two electrodes separated by an air gap. A spark forms across this air gap when a substantial voltage is generated between the electrodes, leading to the ignition of the fuel.
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The importance of understanding acceleration spans our day-to-day experiences, as well as the vast reaches of outer space and the tiny world of subatomic physics. In everyday conversation, to accelerate means to speed up. For instance, we are familiar with the acceleration of our car; the harder we apply our foot to the gas pedal, the faster we accelerate. The greater the acceleration, the greater the change in velocity over a given time. Acceleration is widely seen in experimental physics. In...
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相关实验视频

Updated: Feb 28, 2026

Author Spotlight: Automated Deep Brain Stimulation for Parkinson's Disease - Exploring the Possibilities and Challenges of Home Monitoring
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基于物理非克隆功能的隐私保护认证方案,用于使用硬件加速的自动驾驶汽车.

Rabeea Fatima1, Ujunwa Madububambachu1, Ahmed Sherif1

  • 1School of Computing Sciences and Computer Engineering, University of Southern Mississippi, Hattiesburg, MS 39406, USA.

Sensors (Basel, Switzerland)
|February 27, 2026
PubMed
概括
此摘要是机器生成的。

这项研究引入了使用物理非克隆功能 (PUF) 和先进加密的连接汽车的新安全系统. 它增强了身份验证,并保护了智能城市交通网络中的用户隐私.

关键词:
认证的真实性 认证的真实性自动驾驶汽车 (AV) 是一种自动驾驶汽车.硬件加速加速器 硬件加速器物理上的不可克隆的功能.

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科学领域:

  • 网络安全 网络安全
  • 智慧城市技术 智慧城市技术
  • 汽车工程 汽车工程

背景情况:

  • 智能城市利用汽车互联网 (IoVs) 实现高效的城市管理和交通安全.
  • 越来越多的 IoV 连接性引发了自动驾驶汽车 (AV) 的重大安全和隐私问题.

研究的目的:

  • 建议在 IoV 架构中为 AV 提供一种新的保护隐私的身份验证方案.
  • 增强 IoV 系统的安全性,防止身份欺诈和中间人攻击等网络威胁.

主要方法:

  • 利用物理不可克隆功能 (PUF) 来生成用于AV认证的随机秘密密钥.
  • 实施了基于双线配对的加密技术,支持对加密数据进行安全搜索.
  • 使用现场可编程网关数组 (FPGA) 实现硬件加速,以实现高效的数据处理.

主要成果:

  • 拟议的PUF设计确保了AV用户秘密密钥的真正随机性,提高了安全性.
  • 验证方案在各种条件下显示出高可靠性 (超过98.5%) 和强大的区分能力 (接近49.9%的独特性).
  • 在FPGA平台上的硬件实现显示了低资源利用率 (例如,<80%的LUT),证实了可行性和效率.

结论:

  • 开发的身份验证框架有效地解决了 IoV 环境中的安全和隐私挑战.
  • 集成PUF和先进加密提供了一个强大的解决方案来保护自动驾驶汽车.
  • 硬件效率高的设计适用于智能城市基础设施的实际部署.